QUESTION 7 A running coach wanted to see whether runners ran faster after eating spaghetti the night before. A group of six runners was randomly chosen for this study. Each ran a 5 kilometer race after having a normal dinner the night before, and then a week later, reran the same race after having a spaghetti dinner the night before The times for their races are shown in the table below What test value should be used in a t test for these dependent samples? Runner 1 Runner 2 Runner 3 Runner 4 Runner 5 Runner 6 Regular Dinner 1,009 s 994 s 1,018 s 979 s 1,025 s 1,005 s Spaghetti Dinner 1,002 s 989 s 1,015 s 978 s 1,026 s 1,008 s O 131 O 0 53 O 2 53 O 1 03